If it was murder, who was responsible? The dead man's wife, Julie? The young cafe assistant, Clive? Sergeant Cork, one of the pioneers of the newly formed C.I.D., applies his unique methods of detection to the case.
Lucy Beasley is certain that a crime is being committed in the Beasley household and she implores Cork to investigate. Is she a bitter, frustrated woman out to cause trouble, or are her fears justified?
When Cork and Marriott begin their investigations to find two criminals wanted for murdering a bank messenger; a tip off takes them to the London waterfront, where they uncover a sordid riverside trade.....
Cork and Marriott are called in to investigate the murder of a retired general's young wife, found strangled in a derelict bungalow in the grounds of an old country house is Devonshire.
Kate Seymour, a young star of the music hall, receives poison pen letters threatening her engagement to John Stratton, a stagedoor Johnnie.
Cork and Marriott are called in to investigate what appears to be a case of suicide when Mr Bertram, a respectable and deeply religious man, is found dead by his housekeeper, Mrs Holland.
An urchin sees a mysterious gentleman visiting Trumble, an ex-criminal, in his slum house. When Trumble is later found dead, the urchin goes to Cork.
Prince Frederick of Silecia arrives in London on a trade mission for his country. Cork is made responsible for his safety, and faces the problem of discovering those who are plotting the Prince's assassination.
In spite of opposition from the Melrose family, Cork is determined to discover the murderer of a laundry maid, whose body is found in their stable by a drunken coachman.
A strike at a factory; the army is called in to keep order, and during a riot outside the gates a striker is shot. Accident or murder?
Cook is summoned when an up-and-coming politician is murdered. His wife and the maidservant found a burglar standing over his body, but they are unable to distinguish any of his features.
Ella Barnes - a sewing girl from the East End of London - is found drowned in a canal. At the inquest, however, it is revealed that she had been attacked before she drowned.
Klein, a money lender, suspects fraud when a man called Carylon offers to sell him gold bars at a cut price. He calls in Cork and Marriott, who set a trap to discover whether Klein's suspicions are justified.
Sergeant Cork is assigned to a case involving the Fenian League, the American organisation dedicated to the overthrow of English rule in Ireland. After one abortive attempt to bomb the House of Commons, information is received that another assassination attempt is in the offing - and this time, it's something very special...
Bob Marriott and Sergeant Cork tackle the baffling case of Evelyn Proctor, a Salvation Army major found lying injured in her office at a Salvation Army Home for Girls. Two girls are also missing from the Home, and are seen in the house of a rich benefactor, widow Clara Wilkinson; is she connected with the attack on the major? And if so, why?
Sir Geoffrey Ormsby and Austen Carew are political opponents but close friends. And Carew is also very friendly with Ormsby's wife, Lady EMily - so much so that he is seen leaving her bedroom, as Cork and Marriott discover when they are sent to investigate the disappearance of the Ormsby Diamonds, valued at £50,000.
Cork finds himself with a complicated case when Lord Justice Palmer receives threatening letters after sentencing to death a gardener's boy, Alan Fowler, for the murder of a schoolmaster. The sentenced boy's brother admits he 'has it in' for Judge Palmer. The the judge's son disappears; it is believed he has been kidnapped...
Cork and Marriott assist the railway police in an investigation into a sensational mail robbery. Jenkins, the guard and an old-timer with 25 years' service, swears the lock was secure and the mail train was not held up. Railwayman Tom Pocock, recently dismissed for theft, seems the obvious suspect.
A well-known suffragette leader, Lady Martha Devereaux, is implicated in a City bank robbery. She is not the only woman concerned; Nellie Benton has also been apprehended, and while Cork questions the two women, another bank is robbed - apparently by an all-female gang. Cork suspects there is far more to the case than first appeared.
Cork travels to a Midlands mill town to investigate a long-unsolved murder, only to be told on his arrival that a local union stalwart has already been arrested. Everything seems cut-and-dried - except for the fact that, on his journey back to London, Cork finds himself travelling with the accused man's wife, and what he learns from her raises serious doubts about her husband's guilt.
An unusual case unsues when a young surgeon, Briscoe, operates for the removal of a brain tumour at a time when there has been very little success in the field. Briscoe's superior believes the law has been broken, and calls in Cork. While Cork is pondering the legal implications, the situation changes dramatically when the patient dies.
Sergeant Cork suspects Mary Briggs of murder when he discovers that one of the bottles buried by her in the garden after her husband's death contains strychnine.
Sergeant Cork has a problem to unravel when he realises that six people are under suspicion for the death of Stephen Lancing, the managing director of a booming African gold-mining company
Big Ben Lewis, a Member of Parliament who supports trade unions and radical causes, is accused of writing and signing a letter to six members of a union, inciting them to commit murder. Sergent Cork suspects the signature may be a forgery
A clerk at the Arsenal is murdered, and some secret documents are left on his body. Sergeant Cork enlists Jean Dumas, a known spy, to assist in discovering the traitor
An Army officer is found badly wounded in Mary Snaders' room, and she is accused of shooting him. She offers no defence - until faced with the true facts by Sergeant Cork
Bob Marriott is faced with two unusual problems. Why was Brother Edward twice physically attacked and why does Edward imagine that he has the power to perform a miracle and cure Rose of her lameness?
A button is found on the windowledge of a house recently burgled. Sergeant Cork thinks this is an important clue, and starts investigations which have an unexpected result.
When her husband dies, Marie Vincent accuses Dr. Snedden of poisoning him. Sergeant Cork finds no proof of this. Someone else dies under similar circumstances. Cork then modifies his opinion and commences further investigations.
Mrs. Lily Sinclair, a young widow, reports to Scotland Yard that two mysterious attempts have been made to kill her Bob Marriott, struck by her beauty, eagerly investigates, but in doing so becomes emotionally involved.
Bob Marriott is staying with Sir Hector Bundy when Sir Hector's right to his title and inheritance are questioned by a man claiming to be his missing, impoverished cousin. Sir Hector agrees to a meeting; Bob suggests that he and Cork be present.
A registered parcel containing pearls to the value of £130,000 disappears between Paris and London. On arrival, the package contains sugar instead of pearls. Superintendant Rodway and Bob Marriott investigate.
The body of a prostitute is found in an old boathouse. She has been strangled, and he forehead is marked with a letter 'S'. Cork and Marriott suspect the killer may return to dispose of the body at high tide and, with two constables, they wait...
Someone is selling important military information to Germany. Despite antipathy between Scotland Yard and the War Office, Marriott goes undercover to help catch the traitor - whose identity causes alarm at the highest level.
A thief confesses to stealing Sergeant Cork's wallet; in doing so, he states publicly that Cork had traced him first--and had been bought off with a £50 bribe. Cork is suspended from duty, pending further inquiries...
Sergeant Cork is called to investigate a serious accident to a warder in a prison and in doing so, he has to resort to unorthodox methods.
Sergeant Cork and Bob Marriott arrive at Lagos to investigate the murder of a French West Africa company agent.
Personal sympathy becomes an official assignment when a Chinese friend of Sergenat Cork appeals for help in tracing his missing daughter. When the girl is found strangled, her young suitor is brought in as a suspect - but Cork is certain he must look elsewhere for the killer.
A series of anonymous threatening letters received by Enoch Chatterton, MP and well-known moral crusader, prompts the Home Secretary to appeal to Scotland Yard for help. Is there a connection between the letters and the odd behaviour of Chatterton's equally puritanical family?
When Harry Bell marries for a second time, there are three women in his home: second wife Ruth, her Austrian companion Greta, and his daughter Julia. It is the latter who falls under suspicion when Harry discovers that the jewels he intended to present to Ruth are missing and, unwilling to involve the local police, he calls on an old friend: Sergeant Cork.
With the Empire in a state of flux, the Colonial Office need a hero to boost their undertakings. They choose Albert Watson, recipient of the Victoria Cross. But Albert also happens to be a murderer... unless it could be called manslaughter.
A young servant, fleeing in terror, reports seeing a body in a spare room, and Sergeant Cork finds that a painted boat leads to a monstrous case of baby farming. And what else?
A Maori leader, accompanied by his daughter and a dubious clergyman, comes to London to be presented to the Queen. He has an obsession with searching for the 'mana', the secret of the white man's prestige, and this he apparently does...
When an unpopular headmaster is kidnapped, Cork has to decide whether the boys took the law into their own hands, or if it was the dismissed gardener who had threatened vengeance. Then, the case becomes one of murder...
Maude Mallow, secretary of a charitable organisation, is found murdered in her office, and a pearl pin and a brooch are missing. But Cork does not belief the thief is also the killer.
A prominent politician is to be offered the post of Home Secretary, and a woman who finds her suport of women's rights and her love both threatened takes dramatic action...
Albert Quigg, a cabinet maker, has been cheating his workers of their wages. When he is stabbed with a hatpin, however, the finer points to either his wife or his mistress.
Charles Stevens, who has invented a horseless carriage, is found beaten to death. His assistant commits suicide leaving a note claiming he killed Stevens 'accidentally'. Cork does not think the case is closed.
A renowned actor goes to great lengths to get a divorce, but when he resorts to an attempt on Sergeant Cork's life, he finds his act will have to be played in a cell.
A simple girl with some money of her own is married off by her family. Cork is alarmed by her circumstances, but the law cannot interfere between man and wife
Early trade union politics and a company trying to blacken an innocent victim's good name are 'meat' for Sergeant Cork's clear thinking.
A young nun is attacked by an intruder in a London convent, but the mother superior is reluctant to assist enquiries. Cork finds that romance and religion add up to crime.
Captain Marchmont, military hero and recipient of a VC, enters politics. But he finds that the soldiers of his late regiment have long memories, and a score to settle...
The owner of a travelling circus is bound and gagged, and his safe robbed. Marriott narrows the suspects down to two, but there is more to the case than meets the eye.
Businessman James Meredeith is disturbed at tea with his fiancee, Emma, by a knife thrown by an intruder. Marriott finds the knife was bought by an employee of Emma's father.
Called in to investigate the fatal shooting of an eminent Victorian, Cork finds the body has vanished. When his nephew is charged, Sir Charles is found shot again--this time in Wales.
Marriott is sent to India to discover who wants to kill Prince Ratanbir, the young ruler of a small state that is vital to British interests.
An MP has his death foretold, and when he is murdered to exactly the circumstances predicted, Sergeant Cork calls in the 'prophet' for questioning.
Sergeant Cork investigates when two attempts are made on the life of an unpopular judge married to a beautiful young woman.
A touring company show ends with the heroine getting shot. But when the curtain falls, this is found to be a reality. Who could have wanted her death so much?
An old family scandal is brought to light by the kidnapping of a 10-year-old boy. For once, however, Cork decides that it is better to let sleeping dogs lie.
A West London policeman i scharged with a series of warehouse robberies, but Sergeant Cork is convinced of his innocence.
Wanted by French police, a clever young woman escapes to England and organises a currency forgery--but a murder puts Sergeant Cork on the trail.
When Bob Marriott becomes involved with the daughter of a genteel, impoverished family, his aunt's detective instincts are aroused.
How much does medium Madame Zina really know about the theft of a diamond necklace? Sergeant Cork is suspicious of her information...
A man returns from Canada to find the aunt he has lived on has vanished, and he is supected of murder. He is not the murderer--but neither is he the heir...
